Which expression represents the average of three test scores? x + y + z
3 (x + y + z)
StartFraction x + y + z over 3 EndFraction
StartFraction x y z over 3 EndFraction

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders